TouchKey click
MIKROE-1906
32 g
Touchkey click has four capacitive pads powered by TTP224, a touchpad detector IC. Capacitive buttons like these can be toggled even when placed under a layer of glass or paper.
Touchkey click has four capacitive pads powered by TTP224, a touchpad detector IC. Capacitive buttons like these can be toggled even when placed under a layer of glass or paper. The board outputs an interrupt signals for each pad: OUTA, OUTB, OUTC and OUTD (in place of default mikroBUS RST, AN, PWM and INT pins, respectively). The TTP224 IC has several operating modes which are accessed through onboard jumpers. Modes include Fast or low power (the response time is just 100mS at fast mode and 200mS at low power). Single-key or multi-key, direct or toggle buttons, and so on.
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| Type | Capacitive |
| Applications | A replacement for mechanical buttons, it can function even when covered with a layer of glass or other material |
| On-board modules | TTP224 touchpad detector IC |
| Key Features | Four capacitive touch pads. Outputs four interrupt signals |
| Key Benefits | Registers inputs even when covered by a sheet of glass. Several operating modes configurable through jumpers |
| Interface | GPIO |
| Input Voltage | 3.3V or 5V |
| Compatibility | mikroBUS |
| Click board size | L (57.15 x 25.4 mm) |
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